Learn drone flight
The physics behind the calculator: how wind, temperature, humidity, altitude, terrain and battery chemistry change how long a drone can stay up — with the formulas and the numbers, so you can check them.
Guides
How weather and environment change your drone's performance.
Wind Analysis
Power law wind profiles, terrain coefficients, and altitude-based wind speed calculations for flight safety.
Read the guideWind Profiles & Boundary Layer
Boundary layer physics, wind shear hazards, and altitude wind gradients explained for pilots.
Read the guideTemperature Impact
Exponential temperature effects on air density, battery performance, and electronic component reliability.
Read the guideHumidity Effects
Water vapor pressure calculations, condensation risks, and moisture impact on flight performance.
Read the guideTerrain Factors
Surface roughness analysis, terrain coefficients, and ground effect impact on wind patterns.
Read the guideAltitude Adjustment
Barometric formula applications, atmospheric pressure changes, and performance calculations.
Read the guideBattery Estimation
Environmental effects on battery capacity, discharge rates, and flight time predictions.
Read the guideUnderstanding Air Density
Density altitude fundamentals: how temperature, humidity, and pressure combine to change lift, thrust, and flight time.
Read the guideTurbulence Classification
Turbulence severity categories, how terrain and boundary-layer conditions generate turbulence, and when it's too rough to fly.
Read the guideBattery Chemistry Comparison
LiPo vs Li-ion vs LiFePO4 chemistry compared: energy density, temperature sensitivity, cycle life, and safety characteristics.
Read the guideBattery Performance
How temperature, altitude and wind multiply into usable capacity, plus charging and storage practices that keep packs performing.
Read the guideTemperature Severity Model
The temperature severity model behind our flight-time adjustments: chemistry-specific discharge curves and cold-weather derating.
Read the guideWind Resistance Scale
Understanding drone wind resistance ratings and how they affect flight performance in various conditions.
Read the guidePhysics of Drone Flight
Newton's laws applied to drone flight, aerodynamic principles, power-to-weight ratios, and the fundamental forces that enable flight.
Read the guideWeather & Flight Safety
Reading weather forecasts for drone pilots, go/no-go decision frameworks, and multi-factor risk assessment techniques.
Read the guide
Frequently asked questions
Short, self-contained answers to the most common drone flight-time questions — how long drones fly, and how wind, cold, and altitude change the numbers. Each answer links the full guide and the calculator.
Before you fly
Environmental factors directly impact flight safety. Always consider multiple factors together and maintain conservative safety margins. Weather conditions can change rapidly, requiring continuous monitoring during flight operations. The information provided is for educational purposes - always follow your local regulations and manufacturer guidelines.